General form of registration statement for all companies including face-amount certificate companies

Equity Based Awards - Summary of Additional Information Regarding The Exercise of Stock Options (Detail)

v3.21.2
Equity Based Awards - Summary of Additional Information Regarding The Exercise of Stock Options (Detail) - 2013 Stock Plan [Member] - USD ($)
$ / shares in Units, $ in Thousands
6 Months Ended 12 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Dec. 31, 2020
Dec. 31, 2019
Share Based Compensation Arrangement By Share Based Payment Award Options Additional Disclosures [Line Items]        
Weighted-average grant date fair value of options granted $ 0 $ 1.01 $ 1.28 $ 0.92
Intrinsic value of options exercised $ 6,450 $ 2,017 $ 4,455 $ 3,909